Re: [patch] drm/i915: precedence bug in hsw_compute_wm_results()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Aug 09, 2013 at 12:43:02PM +0300, Dan Carpenter wrote:
> The '!' operation has higher precedence than the compare so probably
> this test is never true.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> 
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index a5a9959..0b9d9a7 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -2562,7 +2562,7 @@ static void hsw_compute_wm_results(struct drm_device *dev,
>  	 * a WM level. */
>  	results->enable_fbc_wm = true;
>  	for (level = 1; level <= max_level; level++) {
> -		if (!lp_results[level - 1].fbc_val > lp_maximums->fbc) {
> +		if (lp_results[level - 1].fbc_val <= lp_maximums->fbc) {

Whoops. My bad.

It should still be > but ! should just be dropped.

>  			results->enable_fbc_wm = false;
>  			lp_results[level - 1].fbc_val = 0;
>  		}
> _______________________________________________
> dri-devel mailing list
> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Ville Syrjälä
Intel OTC
--
To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Kernel Development]     [Kernel Announce]     [Kernel Newbies]     [Linux Networking Development]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Device Mapper]

  Powered by Linux